Flight OddsUA2297 BOS → DEN
United Airlines · Boston, MA to Denver, CO · 364 flights observed, 2025-07-01 to 2026-06-30 · 1,754 mi
UA2297 covers more than one route in the data window — the stats below are for BOS → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-7 min
90th percentile
+23 min
Cancellation rate
1%
How often is UA2297 on time?
Across 364 flights on BOS → DEN from 2025-07-01 to 2026-06-30, UA2297 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +23 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 303 | 85% |
| 16-30 min | 25 | 7% |
| 31-60 min | 15 | 4% |
| 61-120 min | 6 | 2% |
| 2+ hrs | 8 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 66% | +21 min |
| 2025-08 | 30 | 70% | +3 min |
| 2025-09 | 30 | 80% | +20 min |
| 2025-10 | 31 | 90% | +13 min |
| 2025-11 | 29 | 97% | -8 min |
| 2025-12 | 31 | 81% | +5 min |
| 2026-01 | 29 | 90% | -10 min |
| 2026-02 | 27 | 89% | -2 min |
| 2026-03 | 31 | 90% | -7 min |
| 2026-04 | 30 | 97% | -12 min |
| 2026-05 | 31 | 94% | -9 min |
| 2026-06 | 29 | 76% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 92% |
| Tue | 52 | 85% |
| Wed | 52 | 88% |
| Thu | 50 | 80% |
| Fri | 52 | 81% |
| Sat | 52 | 81% |
| Sun | 49 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…